Heat oven to 400F.,Combine flour, sugar, baking powder and orange zest in medium bowl; cut in 1/3 cup butter with pastry blender or fork until mixture resembles coarse crumbs.,Stir in raisins, 1 egg and enough half & half just until moistened.,______,Roll into 9-inch circle; cut into 12 wedges.,Place wedges 1 inch apart onto ungreased baking sheet.,Brush with beaten egg.,Bake 10-12 minutes or until golden brown.,Immediately remove from baking sheet.,Meanwhile, stir together 1/2 cup butter and orange marmalade in small bowl; serve with warm scones.